EP0824930A2 - Méthode de fabrication d'un cathéter inséré au moulage avec fenêtre de fixation - Google Patents
Méthode de fabrication d'un cathéter inséré au moulage avec fenêtre de fixation Download PDFInfo
- Publication number
- EP0824930A2 EP0824930A2 EP97306280A EP97306280A EP0824930A2 EP 0824930 A2 EP0824930 A2 EP 0824930A2 EP 97306280 A EP97306280 A EP 97306280A EP 97306280 A EP97306280 A EP 97306280A EP 0824930 A2 EP0824930 A2 EP 0824930A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- mold
- catheter
- catheter tube
- piece
- producing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14598—Coating tubular articles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0009—Making of catheters or other medical or surgical tubes
- A61M25/0014—Connecting a tube to a hub
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/0408—Injection moulding apparatus using movable moulds or mould halves involving at least a linear movement
- B29C45/0416—Injection moulding apparatus using movable moulds or mould halves involving at least a linear movement co-operating with fixed mould halves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
- B29L2031/7542—Catheters
Definitions
- the present invention relates generally to a method for producing an insert molded catheter with securement windows, and more particularly pertains to a method for producing an insert molded catheter with securement windows which uses an established robust technology, with established processes and equipment (i.e. a low tech approach), and also provides a low cost, low waste, high efficiency, approach.
- Intravenous catheters are particularly used in medical applications for introducing blood, plasma, or other fluids into the circulatory, system of a patient. While IV catheters are available in several different types, one common type of catheter is constructed so as to be mounted upon a relatively long hollow cannula (needle) width a slight frictional fit. A hub is attached to one end of the catheter and is designed so as to be connectable with and detachable from an IV fluid supply line. To insert the catheter into a patient, the cannula and catheter together are inserted through the patient's skin into a vein, whereafter the cannula may be withdrawn, leaving the catheter in place therein.
- catheter assemblies each comprising a catheter tube and a catheter hub assembled together.
- the prior art has attempted to commercially produce such catheter assemblies by methods involving insert molding of the catheter hub onto the catheter tube. Such an insert molding process places the catheter tube as an insert into the mold for the catheter hub, and the catheter hub is then molded around the catheter tube insert.
- a further object of the subject invention is the provision of a method for producing catheter assemblies, each comprising a catheter tube and a catheter hub assembled together, wherein the production method uses an established robust technology, with established processes and equipment (i.e. a low tech approach), and also provides a low cost, low waste, high efficiency approach.
- the present invention uses an insert mold for the catheter hub having a "window" design, wherein the plastic catheter tube is securely retained in place during injection molding of the catheter hub by securing projections in the mold contacting and securing in place the plastic catheter tube, with each securing projection forming a window in the catheter hub assembly where the catheter tube is exposed in the final assembly.
- the steel mold with the securing projections which form the windows in the catheter hub holds the catheter tube firmly in place during the process of injection molding of the catheter hub, and prevents any distortions or movements of the plastic catheter tube.
- the present invention is particularly useful in a complete cell, which is a substantially automated production facility which starts with raw material to be molded and produces a finished packaged at its output, particularly a complete cell which uses inline molding to produce low cost catheter products with minimal technical support.
- the present invention provides a method for producing a catheter assembly comprised of a catheter tube and a catheter hub assembled together in which a catheter tube is placed as a central insert into a mold for casting the catheter hub.
- the catheter tube is secured in place in the mold by at least one securing projection in the mold contacting and securing the catheter tube to prevent any movement or distortion thereof during the injection molding process.
- the catheter hub is then molded around the secured catheter tube insert in the mold, such that the resultant molded catheter assembly is molded with a securement window formed by each projection in the mold at which the catheter tube is exposed through the catheter hub.
- the catheter tube is initially loaded onto a central mandrel positioned in the mold, and then the catheter tube is secured in place in the mold by two securing projections contacting and securing the catheter tube.
- the molding is performed with a two piece mold, wherein each mold piece defines a securing projection which contacts the catheter tube.
- the catheter tube is initially loaded onto the mandrel in the mold, and then the two piece mold is closed around the catheter tube on the mandrel. After the two piece mold is closed, a hollow cylindrical forming die is lowered onto the catheter tube positioned on the mandrel to deform the catheter tube into a flair. After the forming die is retracted, a top mold portion, which defines the end and interior of the catheter hub, is lowered onto the two piece mold, after which molten plastic is injected into the mold cavity.
- first and second two piece molds are positioned on a conveyer, and a top mold portion, which defines the end and interior of the catheter hub, is lowered in turn onto each two piece mold, after which molten plastic is injected into the mold cavity.
- the first two piece mold is prepared for an injection molding operation while the second two piece mold is being used with the top mold portion in an injection molding operation.
- the second two piece mold is then unloaded and prepared for a subsequent injection molding operation while the first two piece mold is being used with the top mold portion in an injection molding operation.
- Figure 1 is a front perspective view of an insert molded catheter assembly 10 with securement windows constructed pursuant to the teachings of the present invention, and illustrates one of two securement windows 12 provided in the insert molded catheter assembly 10.
- the catheter assembly comprises a catheter tube 14, typically formed of polyurethane or Teflon®, and a catheter hub 16, typically formed of polypropylene or polyethylene.
- Figure 2 is an end elevational view of the insert molded catheter with securement windows 10 shown in Figure 1, while Figures 3 and 4 are respectively longitudinal sectional views of the insert molded catheter 10 of Figure 1, taken along the direction of respectively arrows 3-3 and 4-4 in Figure 2, and Figure 5 is a cross sectional view of the insert mold catheter taken along the direction of arrows 5-5 in Figure 3.
- the present invention produces the catheter assembly 10 by insert molding of the catheter hub 16 onto and around the catheter tube 14.
- Such an insert molding process places the catheter tube 14 as an insert into the mold for casting the catheter hub 16, and the catheter hub 16 is then molded around the catheter tube 14 insert.
- the catheter tube 14 is typically initially formed by extrusion, after which it is cut into desired lengths. The extruded and cut catheter tube is then deformed or swaged at one end to form a plug 18 to promote adherence and securement of the catheter tube 14 to and in the catheter hub 16 which is subsequently molded therearound.
- the catheter hub 16 is typically formed with Luer lugs 20 used to secure the catheter, as is well known in the art.
- the catheter hub is formed with two longitudinally spaced grooves 22 therearound, which physicians sometimes use to secure the catheter assembly to a patient by suture string wrapped around a groove 22.
- the present invention uses an insert mold for casting the catheter hub having a window design, wherein the plastic catheter tube 14 is securely retained in place therein during injection molding of the hub 16 by securing projections in the mold contacting the plastic catheter tube 14. Each securing projection forms a resultant window 12 in the catheter hub 16 where the catheter tube 14 is exposed in the final catheter assembly.
- a two piece steel mold 24 is formed with securing projections 26 exactly in the shape of the windows 12 which hold the catheter tube 14 firmly in placing during the process of injection molding of the catheter hub 16 around the catheter tube 14.
- the securing projections 26 prevent any distortions of the plastic catheter tube caused by the high pressure (e.g. 10,000 psi) and temperature injection molding process.
- a preferred number of securing projections in the hub mold is two, producing a catheter assembly 10 with two securement windows 12 as illustrated in Figures 1 and 5, although other embodiments can use from one to five or more securing projections.
- Figures 6, 7 and 8 illustrate a first step in a method for producing an insert molded catheter with securement windows pursuant to the present prevention in which a blank precut catheter tube 14 is loaded onto a tapered mandrel 28 in the mold 24.
- Figure 6 is a front elevational view of the molding apparatus during the first step, while Figure 7 is an enlarged top plan view taken along arrows 7-7 in Figure 6, and Figure 8 is an enlarged elevational sectional view of Figure 7.
- the molding apparatus 30 includes first and second two piece molds 32 and 34 arranged on a shuttle table 36.
- the first and second two piece molds 32 and 34 are alternately conveyed by the shuttle table 36 to a position beneath a top mold section 38 and plastic injection unit 40.
- one two piece mold is prepared for an injection molding operation as illustrated in the steps in Figures 6-15 while the other two piece mold is being used in an injection molding operation.
- the other two piece mold is then unloaded and prepared for a subsequent injection molding operation while the first two piece mold is being used in an injection molding operation, all as illustrated in Figure 6-15.
- Figures 6-8 illustrate a catheter tube 14 being loaded onto a mandrel 28 in the first two piece mold 32, while the second two piece mold 34 is being employed in an injection molding operation.
- Figures 9, 10, and 11 illustrate second and third steps in a method for producing an insert molded catheter with securement windows pursuant to the present invention.
- the two halves of the mold 32 are closed together, with the projections 26 securely holding the blank catheter tube in place therein.
- a hot forming die 42 is lowered down onto the mandrel 28 and catheter tube and deforms the catheter tube into the flair 18 in an annular depression 44 in the mold.
- Figure 9 is a front elevational view of the molding apparatus during the second and third steps, while Figure 10 is an enlarged top plan view taken along arrows 10-10 in Figure 9, and Figure 11 is an enlarged elevational sectional view of Figure 10.
- Figures 12 and 13 illustrate fourth and fifth steps in a method for producing an insert molded catheter with securement windows pursuant to the present invention.
- the top portion of the mold 38 and the plastic injection unit 40 lift off of the mold 34 (this half now contains a completed hub and catheter tube assembly).
- the shuttle table 36 indexes over so that the first mold 32 is under the top portion of the mold.
- Figure 12 is a front elevational view of the molding apparatus during the fourth and fifth steps, while Figure 13 is an enlarged elevational sectional view through the molding apparatus.
- Figures 14 and 15 illustrate sixth and seventh steps in a method for producing an insert molded catheter with securement windows pursuant to the present invention.
- the top portion of the mold 38 and the plastic injection unit 40 are lowered onto the unfilled mold 32 and molten plastic is injected into the hub cavity, surrounding and capturing the supported and formed end of the catheter tube therein.
- the second ejection mold side 44 is opened and a molded catheter assembly 10 is removed therefrom.
- the catheter tube still needs to have a bevel placed on the dull distal end, away from the catheter hub.
- Catheters have distal ends which are those ends to be inserted through the skin of a patient.
- the use of a catheter with a blunt distal or leading end is not desirable since the blunt tip tends to resist insertion into the skin, thereby increasing the difficulty and trauma of insertion.
- insertion of a catheter with a blunt tip increases the irritation to the surrounding tissue, and perhaps more importantly, adds significantly to the pain and discomfort of the patient during insertion. Consequently the distal tip on IV catheter 18 is subsequently beveled to eliminate the aforementioned problems.
- a preferred molding arrangement can use a multicavity cammed two piece mold, although other types of molding arrangements can also be used in alternative embodiments.
- the molding arrangement produces a minor depression 46 at the location of the hot runner gate 48.
- the present invention provides a method for producing catheter assemblies which uses an established robust technology, with established processes and equipment, and provides a low cost, low waste, high efficiency approach for commercially, producing catheter assemblies.
- the present invention is particularly useful in a complete cell which uses in-line molding to produce low cost catheter products with minimal technical support.
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70000396A | 1996-08-20 | 1996-08-20 | |
US700003 | 1996-08-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0824930A2 true EP0824930A2 (fr) | 1998-02-25 |
EP0824930A3 EP0824930A3 (fr) | 1998-06-03 |
Family
ID=24811821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97306280A Withdrawn EP0824930A3 (fr) | 1996-08-20 | 1997-08-19 | Méthode de fabrication d'un cathéter inséré au moulage avec fenêtre de fixation |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0824930A3 (fr) |
JP (1) | JPH10180802A (fr) |
KR (1) | KR19980018803A (fr) |
CN (1) | CN1183345A (fr) |
AU (1) | AU3516997A (fr) |
BR (1) | BR9704467A (fr) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001013982A1 (fr) * | 1999-08-23 | 2001-03-01 | Boston Scientific Limited | Catheter dote de zones de raccord nervurees pouvant etre assemblees |
WO2003002325A2 (fr) * | 2001-06-29 | 2003-01-09 | Coloplast A/S | Procede de fabrication de catheter et catheter |
EP1504870A2 (fr) * | 2003-08-08 | 2005-02-09 | Becton Dickinson and Company | Assemblages des cathéters et procédés de moulage par injection et outillage pour sa fabrication |
US7311698B2 (en) | 2001-09-24 | 2007-12-25 | Coloplast A/S | Urinary catheter assembly allowing for non-contaminated insertion of the catheter into a urinary canal |
US7517343B2 (en) | 2001-06-29 | 2009-04-14 | Coloplast A/S | Catheter assembly |
US7682353B2 (en) | 2001-06-29 | 2010-03-23 | Coloplast A/S | Catheter device |
CN102814884A (zh) * | 2012-09-05 | 2012-12-12 | 南通超达机械科技有限公司 | 一种带骨架pu发泡模具抽芯机构 |
US9585784B2 (en) | 2011-08-29 | 2017-03-07 | Coloplast A/S | Catheter activation by handle removal |
US9662817B2 (en) | 2012-09-28 | 2017-05-30 | Hollister Incorporated | Method and apparatus for injection moulding of an elongated hollow article |
EP3329956A1 (fr) * | 2016-11-30 | 2018-06-06 | Roche Diabetes Care GmbH | Procédé de production d'une canule |
WO2019084134A1 (fr) * | 2017-10-24 | 2019-05-02 | Saint Anthony Biomedical, LLC | Compositions et procédés pour réduire l'infection dans des plaies et des sites chiruricaux |
US10478592B2 (en) | 2011-08-31 | 2019-11-19 | Becton, Dickinson And Company | Systems and methods to increase rigidity and snag-resistance of catheter tip |
US10875224B2 (en) | 2015-08-28 | 2020-12-29 | Hollister Incorporated | Method and apparatus for molding an elongated hollow article |
US11065417B2 (en) | 2018-02-20 | 2021-07-20 | Terumo Kabushiki Kaisha | Method for manufacturing catheter and catheter manufactured by this manufacturing method |
US11338484B2 (en) * | 2018-06-20 | 2022-05-24 | Toyota Jidosha Kabushiki Kaisha | Member joining method |
CN116834230A (zh) * | 2023-08-31 | 2023-10-03 | 成都宝利根创科电子有限公司 | 微细针管嵌塑成型模具结构 |
WO2024006777A3 (fr) * | 2022-06-28 | 2024-02-22 | Hollister Incorporated | Cathéter urinaire à entonnoir surmoulé |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2608714C (fr) * | 2005-05-27 | 2012-09-25 | Medical Components, Inc. | Ensemble catheter port pour traitement extracorporel |
JP5438885B2 (ja) * | 2006-12-15 | 2014-03-12 | 日本コヴィディエン株式会社 | カニューレの成形用金型および成形方法 |
CN101913227B (zh) * | 2010-07-23 | 2013-07-31 | 深圳嘉阳兴科技有限公司 | 全包胶成人性用品的生产方法 |
DE102015114270A1 (de) | 2015-08-27 | 2017-03-02 | Illinois Tool Works Inc. | Spritzgussbauteil, Gelenk, Spritzgussvorrichtung und Verfahren zur Herstellung eines Spritzgussbauteils |
JP7154085B2 (ja) * | 2018-02-20 | 2022-10-17 | テルモ株式会社 | カテーテルの製造方法、及びこの製造方法で製造されたカテーテル |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3259680A (en) * | 1963-09-16 | 1966-07-05 | Belden Mfg Co | Method of molding sleeves |
GB2067127A (en) * | 1980-01-11 | 1981-07-22 | Tokai Electric Wire | Positioning articles in moulds |
EP0109657A1 (fr) * | 1982-11-18 | 1984-05-30 | Abbott Laboratories | Assemblage de cathéter |
EP0144525A2 (fr) * | 1983-10-27 | 1985-06-19 | Intermedicat Gmbh | Allonge de cathéter |
EP0356774A1 (fr) * | 1988-08-31 | 1990-03-07 | Edward Weck, Inc. | Cathéter |
-
1997
- 1997-08-19 EP EP97306280A patent/EP0824930A3/fr not_active Withdrawn
- 1997-08-20 JP JP9237847A patent/JPH10180802A/ja active Pending
- 1997-08-20 CN CN97119294A patent/CN1183345A/zh active Pending
- 1997-08-20 AU AU35169/97A patent/AU3516997A/en not_active Abandoned
- 1997-08-20 KR KR1019970039565A patent/KR19980018803A/ko active IP Right Grant
- 1997-08-20 BR BR9704467A patent/BR9704467A/pt not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3259680A (en) * | 1963-09-16 | 1966-07-05 | Belden Mfg Co | Method of molding sleeves |
GB2067127A (en) * | 1980-01-11 | 1981-07-22 | Tokai Electric Wire | Positioning articles in moulds |
EP0109657A1 (fr) * | 1982-11-18 | 1984-05-30 | Abbott Laboratories | Assemblage de cathéter |
EP0144525A2 (fr) * | 1983-10-27 | 1985-06-19 | Intermedicat Gmbh | Allonge de cathéter |
EP0356774A1 (fr) * | 1988-08-31 | 1990-03-07 | Edward Weck, Inc. | Cathéter |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001013982A1 (fr) * | 1999-08-23 | 2001-03-01 | Boston Scientific Limited | Catheter dote de zones de raccord nervurees pouvant etre assemblees |
US6500285B2 (en) | 1999-08-23 | 2002-12-31 | Scimed Life Systems, Inc. | Method of making a catheter having interlocking ribbed bond regions |
US7094220B2 (en) | 2001-06-29 | 2006-08-22 | Coloplast A/S | Catheter assembly including a catheter applicator |
WO2003002325A3 (fr) * | 2001-06-29 | 2004-03-18 | Coloplast As | Procede de fabrication de catheter et catheter |
US7517343B2 (en) | 2001-06-29 | 2009-04-14 | Coloplast A/S | Catheter assembly |
US7682353B2 (en) | 2001-06-29 | 2010-03-23 | Coloplast A/S | Catheter device |
US8066693B2 (en) | 2001-06-29 | 2011-11-29 | Coloplast A/S | Catheter device |
WO2003002325A2 (fr) * | 2001-06-29 | 2003-01-09 | Coloplast A/S | Procede de fabrication de catheter et catheter |
US10441454B2 (en) | 2001-06-29 | 2019-10-15 | Coloplast A/S | Urinary catheter provided as a package |
US7311698B2 (en) | 2001-09-24 | 2007-12-25 | Coloplast A/S | Urinary catheter assembly allowing for non-contaminated insertion of the catheter into a urinary canal |
US7922712B2 (en) | 2001-09-24 | 2011-04-12 | Coloplast A/S | Urinary catheter assembly allowing for non-contaminated insertion of the catheter into a urinary canal |
EP1504870A2 (fr) * | 2003-08-08 | 2005-02-09 | Becton Dickinson and Company | Assemblages des cathéters et procédés de moulage par injection et outillage pour sa fabrication |
EP1504870A3 (fr) * | 2003-08-08 | 2006-03-22 | Becton Dickinson and Company | Assemblages des cathéters et procédés de moulage par injection et outillage pour sa fabrication |
EP2027984A3 (fr) * | 2003-08-08 | 2009-04-29 | Becton, Dickinson and Company, Wagner, Jaconda | Ensembles de cathéter et procédés de moulage par injection et équipement pour leur fabrication |
US9585784B2 (en) | 2011-08-29 | 2017-03-07 | Coloplast A/S | Catheter activation by handle removal |
US10478592B2 (en) | 2011-08-31 | 2019-11-19 | Becton, Dickinson And Company | Systems and methods to increase rigidity and snag-resistance of catheter tip |
CN102814884B (zh) * | 2012-09-05 | 2013-11-20 | 南通超达机械科技有限公司 | 一种带骨架pu发泡模具抽芯机构 |
CN102814884A (zh) * | 2012-09-05 | 2012-12-12 | 南通超达机械科技有限公司 | 一种带骨架pu发泡模具抽芯机构 |
US9662817B2 (en) | 2012-09-28 | 2017-05-30 | Hollister Incorporated | Method and apparatus for injection moulding of an elongated hollow article |
US11701807B2 (en) | 2015-08-28 | 2023-07-18 | Hollister Incorporated | Apparatus for molding an elongated hollow article |
US10875224B2 (en) | 2015-08-28 | 2020-12-29 | Hollister Incorporated | Method and apparatus for molding an elongated hollow article |
EP3329956A1 (fr) * | 2016-11-30 | 2018-06-06 | Roche Diabetes Care GmbH | Procédé de production d'une canule |
WO2018100072A1 (fr) * | 2016-11-30 | 2018-06-07 | Roche Diabetes Care Gmbh | Procédé de fabrication d'une unité de canule |
US10918786B2 (en) | 2016-11-30 | 2021-02-16 | Roche Diabetes Care, Inc. | Method for manufacturing a cannula unit |
WO2019084134A1 (fr) * | 2017-10-24 | 2019-05-02 | Saint Anthony Biomedical, LLC | Compositions et procédés pour réduire l'infection dans des plaies et des sites chiruricaux |
US11065417B2 (en) | 2018-02-20 | 2021-07-20 | Terumo Kabushiki Kaisha | Method for manufacturing catheter and catheter manufactured by this manufacturing method |
US11813408B2 (en) | 2018-02-20 | 2023-11-14 | Terumo Kabushiki Kaisha | Method for manufacturing catheter and catheter manufactured by this manufacturing method |
US11338484B2 (en) * | 2018-06-20 | 2022-05-24 | Toyota Jidosha Kabushiki Kaisha | Member joining method |
WO2024006777A3 (fr) * | 2022-06-28 | 2024-02-22 | Hollister Incorporated | Cathéter urinaire à entonnoir surmoulé |
CN116834230A (zh) * | 2023-08-31 | 2023-10-03 | 成都宝利根创科电子有限公司 | 微细针管嵌塑成型模具结构 |
CN116834230B (zh) * | 2023-08-31 | 2023-11-14 | 成都宝利根创科电子有限公司 | 微细针管嵌塑成型模具结构 |
Also Published As
Publication number | Publication date |
---|---|
JPH10180802A (ja) | 1998-07-07 |
EP0824930A3 (fr) | 1998-06-03 |
AU3516997A (en) | 1998-02-26 |
BR9704467A (pt) | 1999-04-27 |
CN1183345A (zh) | 1998-06-03 |
KR19980018803A (ko) | 1998-06-05 |
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